
<template>
  <div>
    <!-- 顶部滑动条区域 -->
    <div id="slider" class="mui-slider">
      <div
        id="sliderSegmentedControl"
        class="mui-scroll-wrapper mui-slider-indicator mui-segmented-control mui-segmented-control-inverted"
      >
        <div class="mui-scroll">
          <a :class="['mui-control-item',item.id == 0 ? 'mui-active' : '']" v-for="item in cates" :key="item.id" @click="getAllimgs(item.id)">{{item.title}}</a>
        </div>
      </div>
    </div>
    <!-- 图片部分 -->
    <ul class="photo-list">
      <router-link v-for="item in list" :key="item.id" :to = "'/home/photoinfo/' + item.id" tag="li">
      <img v-lazy="item.img_url">
      <div class="info">
        <h3 class="info-title">{{item.title}}</h3>
        <div class="info-body">{{item.zhaiyao}}}</div>
      </div>
  </router-link>
</ul>
  </div>
</template>
<script>
// 导入mui js文件
// eslint-disable-next-line no-unused-vars
import mui from '../../lib/js/mui.min.js'

export default {
  data () {
    return {
      cates: [], // 所有分类的列表
      list: []
    }
  },
  mounted () {
    // 初始化滑动效果
    mui('.mui-scroll-wrapper').scroll({
      deceleration: 0.0005 // flick 减速系数，系数越大，滚动速度越慢，滚动距离越小，默认值0.0006
    })
  },
  created () {
    // 获取图片的滚动条
    this.getAllCates()
    // 进入页面默认请求所有列表的数据
    this.getAllimgs(0)
  },
  methods: {
    getAllCates () {
      this.$http.get('api/getimgcategory').then(result => {
        if (result.body.status === 0) {
          result.body.message.unshift({ title: '全部', id: 0 })
          this.cates = result.body.message
        }
      })
    },
    getAllimgs (cateId) {
      this.$http.get('api/getimages/' + cateId).then(result => {
        if (result.body.status === 0) {
          this.list = result.body.message
        }
      })
    }
  }
}
</script>
<style lang="css" scoped>
* {
  touch-action: pan-y;
}
ul{
  list-style: none;
}
.photo-list{
  margin: 0;
  padding: 10px;
  padding-bottom: 0;
}
.photo-list li {
  background-color: #ccc;
  text-align: center;
  margin-bottom: 10px;
  box-shadow: 0 0 6px #999;
  position: relative;
}
.photo-list li img[lazy=loading]{
  width: 40px;
  height: 300px;
  margin: auto;
}
.photo-list li img{
  width: 100%;
  vertical-align:middle;
}
.photo-list li:last-child{
  margin-bottom: 55px;
}
.photo-list .info{
color: white;
text-align: left;
position: absolute;
bottom: 0px;
background-color: rgba(0,0,0,0.4);
max-height: 84px;
}
.photo-list .info-title{
  font-size: 14px;
  font-weight: 900;
}
.photo-list .info-body{
  font-size:13px
}
</style>
